The 2012 Sequoia is a body-on-frame SUV built on the Tundra platform, sharing its 4.6L and 5.7L V8 engines. Generally reliable, but the 5.7L has a known piston skirt issue that can lead to catastrophic engine failure, and transmission cooler leaks are platform-wide concerns.
5.7L V8 Piston Skirt Failure / Engine Knock
Occasional · high severity
Typical onset: 80,000-150,000 mi
Symptoms: Cold start knock or rattle that may disappear when warm, Progressive low-end engine noise (piston slap), Metal shavings in oil, eventual bearing failure, Check engine light with misfire codes in severe cases
Fix: Pistons in the 5.7L (3UR-FE) can develop cracked or worn skirts, causing slap and eventual connecting rod bearing damage. Requires complete engine rebuild or short block replacement. Budget 25-35 hours labor for in-frame rebuild, more for complete removal.
Estimated cost: $6,000-12,000
Transmission Oil Cooler Line / Cooler Failure
Common · high severity
Typical onset: 60,000-120,000 mi
Symptoms: Transmission fluid leaking from cooler lines at radiator, Pink fluid pooling under vehicle, Transmission overheating, slipping, or delayed engagement, Coolant contamination with ATF (cross-contamination in radiator)
Fix: The transmission cooler lines rust and leak where they connect to the radiator, and the internal cooler can fail allowing coolant/ATF mixing. Replace cooler lines and external cooler (bypass internal if failed). Flush transmission and cooling system if cross-contamination occurred. 3-5 hours labor depending on contamination extent.
Estimated cost: $800-2,500
Secondary Air Injection System Failure
Occasional · low severity
Typical onset: 90,000-140,000 mi
Symptoms: Check engine light with P0410, P0418, P0419 codes, Rough idle on cold start for first 30-60 seconds, Failed emissions test in states requiring it, Air pump grinding noise on cold start
Fix: Air injection pump, control valves, or check valves fail. Pump is the common culprit. Can delete system in non-emissions states or replace pump and valves. 2-4 hours labor for pump replacement.
Estimated cost: $800-1,400
Front Lower Ball Joint Wear
Common · medium severity
Typical onset: 80,000-130,000 mi
Symptoms: Clunking or popping from front suspension over bumps, Wandering or loose steering feel, Uneven tire wear on inside edge, Play in wheel when rocked by hand with vehicle lifted
Fix: Factory ball joints are pressed into lower control arms and wear prematurely, especially with larger tires or heavy loads. Replace both lower control arms with assemblies (easier than pressing). 3-4 hours labor for both sides plus alignment.
Estimated cost: $800-1,200
Steering Rack Leak / Power Steering Hose Failure
Occasional · medium severity
Typical onset: 100,000-160,000 mi
Symptoms: Power steering fluid leak from rack boots or hoses, Whining or groaning when turning, Heavy steering effort when cold, Fluid dripping near inner tie rods or below steering column
Fix: Rack seals leak at the inner tie rod boots, and high-pressure hoses crack. Related to NHTSA recalls on earlier models. Replace rack or reseal (rack replacement more common). High-pressure hose alone is 1.5 hours; full rack is 4-6 hours labor.
Estimated cost: $400-2,000
Exhaust Manifold Stud / Gasket Leak
Occasional · low severity
Typical onset: 70,000-120,000 mi
Symptoms: Ticking or tapping from engine bay, worse on cold start, Exhaust smell in cabin with heat on, Visible soot around manifold-to-head interface, Slight power loss or rough idle
Fix: Exhaust manifold studs corrode and break, or gaskets fail causing leaks. More common on 4.6L. Requires manifold removal, stud extraction, and regasket. 4-7 hours labor per side if studs are broken (extraction time varies).
Estimated cost: $600-1,400
Rear Differential Pinion Seal Leak
Common · low severity
Typical onset: 80,000-150,000 mi
Symptoms: Gear oil dripping from front of rear differential, Oil residue on driveshaft near pinion yoke, Low differential fluid level on inspection, Whining noise from rear axle if run low on fluid
Fix: Pinion seal leaks due to age and heat cycles. Requires driveshaft removal, pinion nut torque spec critical to avoid bearing preload issues. 2-3 hours labor.
Estimated cost: $350-600
Owner tips
If buying a 5.7L, get a pre-purchase inspection with oil analysis and listen carefully for cold start knock—walk away if present
Inspect transmission cooler lines at every oil change; rust here is a ticking time bomb
Use Toyota WS ATF only—aftermarket fluids cause shift issues in the A750 transmission
Replace diff fluid every 30k if towing; factory fill-for-life is optimistic for heavy-duty use
Check ball joint play annually after 60k miles, especially if lifted or running oversized tires
Buy the 4.6L over the 5.7L if you find one—less power but bulletproof. Budget $2-3k for deferred maintenance on any 100k+ example, and absolutely verify transmission cooler condition before purchase.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.
Fitment notes: Standard size battery located in engine bay; 5.7L V8 uses Group 24F
As an Amazon Associate, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.
Every control module on the 2008-2017 Toyota Sequoia — where it lives, replacement time, and what it takes to program a replacement. Modules marked dealer / factory tool won't work after a part swap alone — budget for programming.
⚠️ Mileage programming required by dealer; VIN registration mandatory; immobilizer data transfer needed
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour? Tell us — corrections ship fast here.
STEERING:HYDRAULIC POWER ASSIST SYSTEM · 21E103000
2021-12-23
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain JTEKT power steering gear assembly service parts for 2007-2021 Tundra and 2008-2022 Sequoia, part numbers 44250-0C160, 44250-0C131, 44250-0C170, and 11250-0C121. The power steering gear assembly may have been manufactured incorrectly, which can result in an oil leak.
Consequence: An oil leak may cause a sudden loss of power steering assist, increasing the risk of a crash.
Remedy: Dealers will inspect and replace the power steering gear assembly, free of charge. Owner notification letters were mailed on February 17, 2022. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's number for this recall is 21TH01.
STEERING:HYDRAULIC POWER ASSIST SYSTEM · 21V920000
2021-11-23
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2008-2022 Sequoia and 2007-2021 Tundra vehicles. The power steering gear assembly may have been manufactured incorrectly, which can result in an oil leak.
Consequence: An oil leak may cause a sudden loss of power steering assist, increasing the risk of a crash.
Remedy: Dealers will inspect and replace the power steering gear assembly as necessary, free of charge. Owner notification letters were mailed on January 21, 2022. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's numbers for this recall are 21TB10 and 21TA10.
EQUIPMENT:OTHER:LABELS · 13V123000
2013-04-09
Southeast Toyota is recalling certain model year 2008 and 2010-2013 Toyota Tundra, 2010-2012 Rav4, 2012 Toyota Sequoia, 2010-2011 Toyota Corolla, 2010-2011 Toyota Camry and Camry Hybrid, 2010-2013 Toyota Highlander and Highlander Hybrid, 2010-2013 Toyota FJ Cruiser, 2011 Toyota Land Cruiser, 2010-2013 Toyota Venza, 2010-2011 Toyota 4Runner, 2010-2013 Toyota Tacoma, 2011-2012 Toyota Sienna, 2012 Toyota Prius, 2013 Scion FR-S, 2011 Scion XD, 2011 Scion XB, and 2012 Scion TC vehicles. These vehicles were sold with labels that were outside the allowable one percent of accuracy of actual weight added. Thus, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) Number 110, "Tire Selection and Rims."
Consequence: An inaccurate label could lead to owners overloading their vehicles and tires. An overloaded vehicle can result in a tire failure which may result in a vehicle crash, personal injury, or property damage.
Remedy: Southeast Toyota will notify owners and provide a corrected label with instructions concerning its installation. A small group of the affected vehicles will need additonal remedies which are still being developed. The recall began on May 28, 2013. Owners may contact Southeast Toyota at 1-800-301-6859.
AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE-INACTIVE · 13V014000
2013-01-16
Southeast Toyota Distributors, LLC (SET) is recalling certain models interspersed through model years 2009 through 2013 as follows: model year 2009-2012 Tacoma, 4Runner, Camry, Camry Hybrid, Prius, and RAV4; model year 2009-2010 Avalon, FJ Cruiser, and Highlander Hybrid; model year 2010-2013 model year Corolla, Sienna and Tundra; model year 2009-2013 Highlander and Venza; model year 2012 Prius V; and model year 2010-2012 Sequoia. During modification by SET to include accessories such as leather seat covers, seat heaters or headrest DVD systems, these vehicles may not have had the passenger seat occupant sensing system calibration tested. Without passing the calibration test, the occupant sensing system may not operate as designed.
Consequence: If the front passenger seat occupant sensing system is out of calibration, the front passenger airbags may not deploy or they may deploy inappropriately for the passenger's size and position. This could increase the risk of personal injury during the event of a vehicle crash necessitating airbag deployment.
Remedy: Southeast Toyota will notify owners, and dealers will test the sensitivity of the occupant detection sensors, and recalibrate them as necessary. The recall began on March 21, 2013. Owners may contact Southeast Toyota at 1-800-301-6859.
Fuel economy (EPA)
City
14mpg
Highway
20mpg
Combined
16mpg
Fuel
Regular Gasoline
Capability & size
EPA class
Sport Utility Vehicle - 2WD
Wiper blades
Second generation Sequoia (2008-2021). Standard hook attachment for front blades.
Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 2012 Toyota Sequoia 4.6L V8 and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years.